U Brands 12ct Hanging File Folders - Cottage Core: Multi-Color Paperboard, Pronged, 12 Sheet Capacity, 9.21" x 12.91" . The 12ct Hanging File Folders by U Brand in Cottage Core design features multi-color paperboard with dimensions of 9.21" x 12.91". These hanging file folders are perfect for organizing and storing letter-sized documents in an office or home setting. The vibrant colors and charming design add a touch of personality to the filing system, making it both functional and stylish. Perfect for keeping important files easily accessible and neatly categorized.